<template>
  <div class="p-2">
    <transition :enter-active-class="proxy?.animate.searchAnimate.enter" :leave-active-class="proxy?.animate.searchAnimate.leave">
      <div v-show="showSearch" class="mb-[10px]">
        <el-card shadow="hover">
          <el-form ref="queryFormRef" :model="queryParams" :inline="true">
            <el-form-item label="房间号" prop="roomNumber">
              <el-input v-model="queryParams.roomNumber" placeholder="请输入房间号" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item label="床位号" prop="bedNumber">
              <el-input v-model="queryParams.bedNumber" placeholder="请输入床位号" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item label="老人姓名" prop="elderName">
              <el-input v-model="queryParams.elderName" placeholder="请输入老人姓名" clearable @keyup.enter="handleQuery" />
            </el-form-item>
            <el-form-item>
              <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
              <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
          </el-form>
        </el-card>
      </div>
    </transition>

    <el-card shadow="never">
      <template #header>
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" plain icon="Plus" @click="handleAdd" v-hasPermi="['nursing:bedInfo:add']">新增</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate()" v-hasPermi="['nursing:bedInfo:edit']">修改</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete()" v-hasPermi="['nursing:bedInfo:remove']">删除</el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="warning" plain icon="Download" @click="handleExport" v-hasPermi="['nursing:bedInfo:export']">导出</el-button>
          </el-col>
          <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>
      </template>

      <el-table v-loading="loading" :data="bedInfoList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="id" align="center" prop="bedId" v-if="true" />
        <el-table-column label="房间号" align="center" prop="roomNumber" />
        <el-table-column label="床位号" align="center" prop="bedNumber" />
        <el-table-column label="床位状态" align="center" prop="bedStatus">
          <template #default="scope">
            <dict-tag :options="sys_bed_status" :value="scope.row.bedStatus"/>
          </template>
        </el-table-column>
        <el-table-column label="老人姓名" align="center" prop="elderName" />
        <el-table-column label="备注" align="center" prop="remarks" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-tooltip content="修改" placement="top">
              <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['nursing:bedInfo:edit']"></el-button>
            </el-tooltip>
            <el-tooltip content="删除" placement="top">
              <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['nursing:bedInfo:remove']"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum" v-model:limit="queryParams.pageSize" @pagination="getList" />
    </el-card>
    <!-- 添加或修改床位管理对话框 -->
    <el-dialog :title="dialog.title" v-model="dialog.visible" width="500px" append-to-body>
      <el-form ref="bedInfoFormRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="房间" prop="roomNumber">
          <el-select
            v-model="form.roomNumber"
            placeholder="请选择房间"
            @change="handleRoomChange"
            filterable
            clearable
            style="width: 100%"
          >
            <el-option
              v-for="room in roomList"
              :key="room.roomId"
              :label="room.roomNumber"
              :value="room.roomNumber"
            >
              <span>{{ room.roomNumber }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">
                可用床位: {{ room.availableBeds }}/{{ room.bedCount }}
              </span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="床位号" prop="bedNumber">
          <el-input
            v-model="form.bedNumber"
            placeholder="请输入床位号"
            style="width: 100%"
          />
        </el-form-item>
        <el-form-item label="床位状态" prop="bedStatus">
          <el-select v-model="form.bedStatus" placeholder="请选择床位状态" style="width: 100%" @change="handleBedStatusChange">
            <el-option
              v-for="dict in sys_bed_status"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            />
          </el-select>
          <div class="form-help-text">床位状态改变会影响老人入住信息</div>
        </el-form-item>
        <el-form-item label="老人姓名" prop="elderName" v-if="form.bedStatus !== '空闲'">
          <el-select
            v-model="form.elderId"
            filterable
            remote
            reserve-keyword
            placeholder="请输入老人姓名查询"
            :remote-method="searchElders"
            :loading="elderLoading"
            @change="handleElderChange"
            style="width: 100%"
          >
            <el-option
              v-for="elder in elderOptions"
              :key="elder.elderId"
              :label="elder.elderName"
              :value="elder.elderId"
            >
              <span>{{ elder.elderName }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">
                {{ elder.idCard }}
              </span>
            </el-option>
          </el-select>
          <div class="form-help-text">选择入住老人信息，状态为"已入住"时必填</div>
        </el-form-item>
        <el-form-item label="备注" prop="remarks">
          <el-input type="textarea" v-model="form.remarks" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="BedInfo" lang="ts">
import { listBedInfo, getBedInfo, delBedInfo, addBedInfo, updateBedInfo } from '@/api/nursing/bedInfo';
import { listRoomInfo } from '@/api/nursing/roomInfo';
import { listElderBasic } from '@/api/nursing/elderBasic';
import { BedInfoVO, BedInfoQuery, BedInfoForm } from '@/api/nursing/bedInfo/types';
import { ElderBasicVO } from '@/api/nursing/elder/types';
import { ElMessage } from 'element-plus';

const { proxy } = getCurrentInstance() as ComponentInternalInstance;
const { sys_bed_status } = toRefs<any>(proxy?.useDict('sys_bed_status'));

const bedInfoList = ref<BedInfoVO[]>([]);
const buttonLoading = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref<Array<string | number>>([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);

const queryFormRef = ref<ElFormInstance>();
const bedInfoFormRef = ref<ElFormInstance>();

const dialog = reactive<DialogOption>({
  visible: false,
  title: ''
});

const initFormData: BedInfoForm = {
  bedId: undefined,
  roomNumber: undefined,
  bedNumber: '1',
  bedStatus: '0',
  elderName: undefined,
  remarks: undefined,
}
const data = reactive<PageData<BedInfoForm, BedInfoQuery>>({
  form: {...initFormData},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    roomNumber: undefined,
    bedNumber: undefined,
    elderName: undefined,
    params: {
    }
  },
  rules: {
    bedId: [
      { required: true, message: "id不能为空", trigger: "blur" }
    ],
    roomNumber: [
      { required: true, message: "房间号不能为空", trigger: "blur" }
    ],
    bedNumber: [
      { required: true, message: "床位号不能为空", trigger: "blur" }
    ],
    bedStatus: [
      { required: true, message: "床位状态不能为空", trigger: "change" }
    ],
    elderName: [
      { required: true, message: "老人姓名不能为空", trigger: "blur" }
    ],
  }
});

const { queryParams, form, rules } = toRefs(data);

// 房间列表
const roomList = ref([]);
const selectedRoom = ref(null);
const elderList = ref([]);

// 新增老人相关数据
const elderOptions = ref<ElderBasicVO[]>([]);
const elderLoading = ref(false);

// 获取老人列表
const getElderList = async () => {
  try {
    const res = await listElderBasic({
      pageNum: 1,
      pageSize: 100,
      elderName: undefined,
      idCard: undefined,
      status: undefined
    });
    elderList.value = res.rows;
  } catch (error) {
    console.error('获取老人列表失败:', error);
  }
};

// 获取房间列表
const getRoomList = async () => {
  try {
    const res = await listRoomInfo({
      pageNum: 1,
      pageSize: 100
    });
    roomList.value = res.rows;
  } catch (error) {
    console.error('获取房间列表失败:', error);
  }
};

// 房间选择变更处理
const handleRoomChange = (roomNumber: string) => {
  selectedRoom.value = roomList.value.find(room => room.roomNumber === roomNumber);
  if (selectedRoom.value) {
    // 床位号格式：房间号-序号
    form.value.bedNumber = roomNumber + '-1';
  }
};

/** 查询床位管理列表 */
const getList = async () => {
  loading.value = true;
  const res = await listBedInfo(queryParams.value);
  bedInfoList.value = res.rows;
  total.value = res.total;
  loading.value = false;
}

/** 取消按钮 */
const cancel = () => {
  reset();
  dialog.visible = false;
}

/** 表单重置 */
const reset = () => {
  form.value = {...initFormData};
  bedInfoFormRef.value?.resetFields();
}

/** 搜索按钮操作 */
const handleQuery = () => {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
const resetQuery = () => {
  queryFormRef.value?.resetFields();
  handleQuery();
}

/** 多选框选中数据 */
const handleSelectionChange = (selection: BedInfoVO[]) => {
  ids.value = selection.map(item => item.bedId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
const handleAdd = () => {
  reset();
  dialog.visible = true;
  dialog.title = "添加床位管理";
}

/** 修改按钮操作 */
const handleUpdate = async (row?: BedInfoVO) => {
  reset();
  const _bedId = row?.bedId || ids.value[0]
  const res = await getBedInfo(_bedId);
  Object.assign(form.value, res.data);
  dialog.visible = true;
  dialog.title = "修改床位管理";
}

/** 表单提交前的验证 */
const submitForm = async () => {
  try {
    await bedInfoFormRef.value?.validate();
    buttonLoading.value = true;

    // 检查床位号是否超过房间床位数
    if (selectedRoom.value && form.value.bedNumber) {
      // 从床位号中提取序号部分（格式：房间号-序号）
      const bedNumberParts = form.value.bedNumber.split('-');
      if (bedNumberParts.length === 2) {
        const bedIndex = parseInt(bedNumberParts[1]);
        if (bedIndex > selectedRoom.value.bedCount) {
          proxy?.$modal.msgError(`床位序号不能超过房间总床位数 ${selectedRoom.value.bedCount}`);
          return;
        }
      }
    }

    if (form.value.bedId) {
      await updateBedInfo(form.value);
      proxy?.$modal.msgSuccess('修改成功');
    } else {
      await addBedInfo(form.value);
      proxy?.$modal.msgSuccess('新增成功');
    }
    dialog.visible = false;
    await getList();
  } catch (error) {
    console.error('表单提交失败:', error);
  } finally {
    buttonLoading.value = false;
  }
};

/** 删除按钮操作 */
const handleDelete = async (row?: BedInfoVO) => {
  const _bedIds = row?.bedId || ids.value;
  await proxy?.$modal.confirm('是否确认删除床位管理编号为"' + _bedIds + '"的数据项？').finally(() => loading.value = false);
  await delBedInfo(_bedIds);
  proxy?.$modal.msgSuccess("删除成功");
  await getList();
}

/** 导出按钮操作 */
const handleExport = () => {
  proxy?.download('nursing/bedInfo/export', {
    ...queryParams.value
  }, `bedInfo_${new Date().getTime()}.xlsx`)
}

// 处理床位状态变更
const handleBedStatusChange = (status: string) => {
  if (status === '空闲') {
    // 如果选择空闲状态，清空老人信息
    form.value.elderId = undefined;
    form.value.elderName = '';
  } else if (status === '已入住' && !form.value.elderId) {
    // 如果选择已入住，提示选择老人
    proxy?.$modal.msgWarning('请选择入住老人信息');
  }
};

// 搜索老人信息
const searchElders = async (query: string) => {
  if (query) {
    elderLoading.value = true;
    try {
      // 调用后端API搜索老人
      const res = await listElderBasic({
        pageNum: 1,
        pageSize: 10,
        elderName: query
      });
      elderOptions.value = res.rows;
    } catch (error) {
      console.error('搜索老人失败', error);
    } finally {
      elderLoading.value = false;
    }
  } else {
    elderOptions.value = [];
  }
};

// 处理老人选择变更
const handleElderChange = (elderId: number) => {
  const selectedElder = elderOptions.value.find(item => item.elderId === elderId);
  if (selectedElder) {
    form.value.elderName = selectedElder.elderName;
  }
};

onMounted(() => {
  getList();
  getRoomList();
  getElderList();
});
</script>

<style scoped>
.form-help-text {
  font-size: 12px;
  color: #909399;
  line-height: 1.2;
  padding-top: 4px;
}
</style>
